What was found
FATIGUE CRACK AT FASTENER IN LOWER ROW OF S-4L LAP JOINT, APPROX FS 490. CUT OUT DAMAGE AND INSTALLED REPAIR DOUBLER PER ER/A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FATIGUE CRACK AT FASTENER IN LOWER ROW OF S-4L LAP JOINT, APPROX FS 490. CUT OUT DAMAGE AND INSTALLED REPAIR DOUBLER PER ER/A.